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103031000 = 2353197523
BaseRepresentation
bin1100010010000…
…10000011011000
321011212111221222
412021002003120
5202333443000
614120151212
72360514632
oct611020330
9234774858
10103031000
1153181796
122a608508
13184652b7
14d97da52
1590a2a85
hex62420d8

103031000 has 64 divisors (see below), whose sum is σ = 242779680. Its totient is φ = 40924800.

The previous prime is 103030973. The next prime is 103031017. The reversal of 103031000 is 130301.

It is a super-2 number, since 2×1030310002 = 21230773922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196739 + ... + 197261.

Almost surely, 2103031000 is an apocalyptic number.

103031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121389840).

103031000 is an abundant number, since it is smaller than the sum of its proper divisors (139748680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103031000 is a wasteful number, since it uses less digits than its factorization.

103031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 103031000 is about 10150.4187105754. The cubic root of 103031000 is about 468.8018372303.

Adding to 103031000 its reverse (130301), we get a palindrome (103161301).

The spelling of 103031000 in words is "one hundred three million, thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 197 200 250 394 500 523 788 985 1000 1046 1576 1970 2092 2615 3940 4184 4925 5230 7880 9850 10460 13075 19700 20920 24625 26150 39400 49250 52300 65375 98500 103031 104600 130750 197000 206062 261500 412124 515155 523000 824248 1030310 2060620 2575775 4121240 5151550 10303100 12878875 20606200 25757750 51515500 103031000